291295108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 560697984

約数和(自身を除く): 269402876

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 257, 284, 307, 514, 614, 923, 1028, 1228, 1846, 3341, 3692, 3991, 6682, 7982, 13364, 15964, 18247, 21797, 36494, 43594, 72988, 78899, 87188, 157798, 237211, 283361, 315596, 474422, 566722, 948844, 1025687, 1133444, 2051374, 4102748, 5601829, 11203658, 22407316, 72823777, 145647554, 291295108]

約数ペア:

[(1, 291295108), (2, 145647554), (4, 72823777), (13, 22407316), (26, 11203658), (52, 5601829), (71, 4102748), (142, 2051374), (257, 1133444), (284, 1025687), (307, 948844), (514, 566722), (614, 474422), (923, 315596), (1028, 283361), (1228, 237211), (1846, 157798), (3341, 87188), (3692, 78899), (3991, 72988), (6682, 43594), (7982, 36494), (13364, 21797), (15964, 18247)]